UV Index in Rann, Nigeria

Last updated: May 3, 2025

Understanding the UV Index in Rann, Nigeria is crucial for protecting your skin and maintaining overall health. Elevated UV levels, particularly during peak hours, can lead to sunburn and long-term skin damage, making awareness essential for residents and visitors alike. With Rann's semi-arid climate (BSh), the risk of harmful UV exposure is notably high, especially between 10 AM and 2 PM, when the index reaches its maximum of 12. Stay informed about UV levels to enjoy the sun safely while safeguarding your skin from its potentially damaging effects.

Hourly UV Index in Rann

At 07:00, the UV Index starts with a mild rating of 1, making it safe for morning activities. However, as the sun rises, it quickly gains intensity, peaking at a striking 12 by 12:00—the highest point of the day. The sun’s rays are strongest between 10:00 and 13:00, with a critical UV level of 11 at 11:00. As the afternoon progresses, the index begins to wane, dropping to 8 by 14:00, and further declining to 5 by 15:00. By 17:00, the UV Index decreases to a safer 1, paving the way for evening activities under less harsh sunlight. As night falls, the UV activity fades to 0 at 19:00, offering a gentle reminder of the sun's powerful presence during the day.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Rann

During the year, UV index levels demonstrate significant seasonal changes, peaking in the warmer months. The highest risk months for UV exposure are March through September, with UV Index values ranging from 12 to 13 and classified as extreme for most of this period. Consequently, the recommended burn time is a mere 10 minutes. In contrast, January, November, and December see a slight decrease in UV levels, categorized as very high, allowing for a longer burn time of 15 minutes. Visitors and residents should take precautionary measures, especially during the high-risk months, by applying sunscreen regularly, wearing protective clothing, and seeking shade whenever possible to minimize UV exposure and its associated risks.

Monthly Maximum UV Index for Rann, Nigeria

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rann. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Rann, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Rann UV Index with Other Nigeria Cities

The table above highlights how UV exposure in Rann compares to other major locations across Nigeria. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Rann's solar exposure compared to other cities in Nigeria. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lagos UVI	10	10	11	13	12	11	11	11	12	11	9	8
Port Harcourt UVI	10	11	11	14	12	11	11	11	12	12	10	9
Ibadan UVI	10	11	12	14	12	12	12	12	13	11	9	9
Kano UVI	10	12	13	11	11	11	12	13	12	11	10	10
Kaduna UVI	10	12	12	12	11	12	13	13	13	11	10	10
Rann	10	12	13	12	12	11	13	13	13	11	10	9